<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			#contain{
				width: 1000px;
				height: 1000px;
				border: 1px  red  solid;
				padding-top:300px ;
				padding-right: 450px;
				
			}
			
				
			#one {
				width: 100px;
				height: 100px;
				border: 1px  black  solid;
			}
			
			#two {
				width: 100px;
				height: 100px;
				border: 1px  blue  solid;
				
			}
			
			#tree {
				width: 100px;
				height: 100px;
				border: 1px  gold  solid;
			}
			
			#four {
				width: 100px;
				height: 100px;
				border: 1px  green  solid;
			}
			
			
		</style>
	</head>
	<body>
		<div id="contain"  align="center">
			<div id="one" >
				
			</div>
			
			<div id="two">
				
			</div>
			
			<div id="tree" >
				
			</div>
			<div id="four" >
				
			</div>
		</div>
	</body>
</html>
